Cart for supporting a line marker



FIG. 1 is a perspective view of a cart for supporting a line markertaken from the left front corner;

FIG. 2 is a perspective view thereof taken from the right rear corner;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a front elevation view thereof.

The ornamental design for a cart for supporting a line marker, as shownand described.